I've pushed the fix. Here's the patch, if you are curious.<br><br>--- a/Rendering/vtkImageStack.cxx<br>+++ b/Rendering/vtkImageStack.cxx<br>@@ -332,8 +332,8 @@ int vtkImageStack::RenderTranslucentPolygonalGeometry(vtkViewport* viewport)<br>
{<br> // no multi-pass if only one image<br> this->Images->InitTraversal(pit);<br>- image->SetAllocatedRenderTime(renderTime, viewport);<br> image = this->Images->GetNextImage(pit);<br>
+ image->SetAllocatedRenderTime(renderTime, viewport);<br>
return image->RenderTranslucentPolygonalGeometry(viewport);<br> }<br> <br>@@ -377,8 +377,8 @@ int vtkImageStack::RenderOverlay(vtkViewport* viewport)<br> {<br> // no multi-pass if only one image<br> this->Images->InitTraversal(pit);<br>
- image->SetAllocatedRenderTime(renderTime, viewport);<br> image = this->Images->GetNextImage(pit);<br>+ image->SetAllocatedRenderTime(renderTime, viewport);<br> return image->RenderOverlay(viewport);<br>
}<br>